EVO All Evo Model Discussion

Front fork rebuild

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Old Feb 25, 2023 | 07:03 PM
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Default Front fork rebuild

My fork seals are busted, so while I am replacing the seals I am going to freshen up the front end with some progressive springs. I did this before on another bike, but I just took the forks to my Indy and let them do it for a couple of hours of labor. As I am reading the manual, it doesn't seem too bad of a job, and I may try to tackle it on my own. My main question before I begin is what specialty tools will I need? The book calls for the seal driver, and I am guessing I will need the mount to hold the fork for disassembly, other than those 2, am I missing anything?
 
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Old Feb 25, 2023 | 08:51 PM
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A fork seal driver can be made from PVC pipe, I did mine with simple hand tools.

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Old Feb 25, 2023 | 09:18 PM
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An impact gun and long allens are necessary. You don't need a stand. You can just hold them upside down into a bucket to drain.
 
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Old Feb 26, 2023 | 05:31 AM
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A piece of PVC pipe for a "Seal Driver tool" works great. Take the time to flush/wipe all the old oil and residue that clings to everything inside after your forks have drained well. Unless you're in a hurry, let'em drain overnight. You'll find recommendation for the amount of new fork oil differ, based upon "wet" or "dry". If you pull them down completely and get everything inside cleaned of residue...use the "dry" recommendation.
 
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Old Feb 26, 2023 | 07:56 AM
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Great video, that helped a lot. I do not have an impact gun, I will have to look into borrowing or purchasing one. What is the size of the bolt on the bottom, so I can start looking for that socket? I will clean and drain everything, but I will probably put a set of chrome lowers on while it's apart. Thanks for the advice so far! Ill check back in when I make some progress, and I am in no hurry!
 
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Old Feb 26, 2023 | 08:28 AM
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Don't really need an impact gun. The correct allen wrench and a good rap with a dead blow device of your choice. Reassemble same way.
A good vice and appropriate protection on tube when in vice.
Clean all parts with brake cleaner. Cleans metal parts and evaporates so no worries on clinging oil.
 
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Old Feb 26, 2023 | 08:34 AM
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Originally Posted by ShrinerRider
Great video, that helped a lot. I do not have an impact gun, I will have to look into borrowing or purchasing one. What is the size of the bolt on the bottom, so I can start looking for that socket? I will clean and drain everything, but I will probably put a set of chrome lowers on while it's apart. Thanks for the advice so far! Ill check back in when I make some progress, and I am in no hurry!
Just do as the video shows ( 4:00 min mark ) , break torque while there still fully assembled , turn back just enough to keep the oil from running out , then they will be loose enough to get out once the forks are apart.
 

Last edited by Stopit; Feb 26, 2023 at 08:37 AM.
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Old Feb 26, 2023 | 09:27 AM
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Hily crap, whata nightmare under the dash...89 Tour glide, all kinds of stuff going on in there. Looks like a grounding block is built into part of the air suspension, hopefully it just grounds parts of the air ride and I can ditch it. My plan was to eliminate all of the air suspension components in there and just seal it up.
 
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Old Feb 27, 2023 | 06:52 AM
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The allen bolt inside the lower leg is METRIC. If you don't own, buy a decent set of long reach metric allen sockets to get the job done.

The impact gun works good, but the FSM tells you to take the fender off before loosening the bolts in the lower legs. I always get the bolts broken loose before fender removal, fender holds the legs from spinning.

I have used the PVC pipe as a seal driver than I found a youtube where a guy uses a bunch of electrical tape, works better and is easier, just you waste some tape. Buy the cheap stuff from harbor Freight and have at it.

 
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Old Feb 27, 2023 | 07:31 AM
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Originally Posted by ShrinerRider
. Looks like a grounding block is built into part of the air suspension,
IIRC it serves the anti dive solenoid
 
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